Submission #359955

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
359955	2021-01-27 11:18:42	Fischer	Biochips (IZhO12_biochips)	C++14	100 / 100	672 ms	406508 KiB

biochips

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#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10;
int dp[maxn][510];
vector<int> g[maxn];
int c[maxn];
int sz[maxn];
int n, m;
void dfs(int x) {
  sz[x] = 0;
  for (int i = 1; i <= m; ++i) dp[x][i] = -1e9;
  for (int v : g[x]) {
    dfs(v);
    for (int i = min(m, sz[x]+sz[v]); i >= 1; --i) {
      for (int j = max(1, i-sz[x]); j <= min(i, sz[v]); ++j) {
        dp[x][i] = max(dp[x][i], dp[x][i-j] + dp[v][j]);
      }
    }
    sz[x] += sz[v];
  }
  sz[x] += 1;
  dp[x][1] = max(dp[x][1], c[x]);
}
int main() {
  cin >> n >> m;
  int root = 0;
  for (int i = 1; i <= n; ++i) {
    int pi;
 
 
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• Subtask 1: 100 / 100